https://www.ibm.com/docs/en/ims/15.5.0?topic=terminals-creating-reusing-lterm-control-blocks
IMS 15.5 - Communications and connections - Creating and reusing LTERM control blocks
A user structure containing an LTERM can be created in a number of different ways.
imscommunications
https://www.ibm.com/docs/en/ims/15.3.0?topic=parameters-lterm-parameter-procedures
IMS 15.3 - System definition - LTERM= parameter for procedures
Use the LTERM= parameter in procedure to specify whether the LTERM name of the static input terminal is used in the DFSAPPC. Valid values are Y, and N. Y is...
imssystemdefinitionparameterprocedures